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circle
simple curve of Euclidean geometry, a type of conic section
Details
- Subclass of
- anallagmatic curve, Ribaucour curve, sinusoidal spiral, locus, analytic manifold, ellipse, rose, hypersphere, curve of constant width, Zindler curve, generalised circle, conic section
- described by source
- Armenian Soviet Encyclopedia, New Encyclopedic Dictionary, Meyers Konversations-Lexikon, 4th edition (1885–1890), Encyclopædia Britannica 11th edition
- Euler characteristic
- 0
- has characteristic
- length, plane area, radius, diameter, isoperimetric ratio, roundness
- permanent duplicated item
- Q1935579
- studied by
- distance geometry, planimetrics, Euclidean geometry
- topic's main category
- Category:Circle geometry, Category:Circles
- Unicode character
- ⭕, ⚪, 🔾, 🔿
Connected on Wikidata
Subject of
- 1911 Encyclopædia Britannica/Circle
- Circles / Daniel Pedoe
- Matematika 2. stupeň ZŠ - obvody a obsahy obrazců
- The Book of Circles : Visualizing Spheres of Knowledge
- Maths and Geometry program for Italian primary school
- Maths and Geometry program for Italian high school
- Angles. Circle. Area and of triangles, parallelograms and trapezoids. Points on the plane
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